What is expand (x-3i)(x+3i)(x-2) ?

The solution to expand (x-3i)(x+3i)(x-2) is x^3-2x^2+9x-18

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expand (x-3i)(x+3i)(x-2)

expand

(x - 3 i) (x + 3 i) (x - 2)

x^{3} - 2 x^{2} + 9 x - 18

Solution steps

(x - 3 i) (x + 3 i) (x - 2)

Expand

(x - 3 i) (x + 3 i) (x - 2) : (x^{2} + 9) (x - 2)

= (x^{2} + 9) (x - 2)

Apply FOIL method

(x^{2} + 9) (x - 2) : x^{3} - 2 x^{2} + 9 x - 18

= x^{3} - 2 x^{2} + 9 x - 18

4 - 2 (x + Δ x) - 4 - 2 x

(\frac{p}{2} - q) (q + \frac{p}{2})

\frac{x ( 3 - 5 x )}{( 3 x - 1 ) ( x - 1 ) ^{2}}

(x - \frac{1}{2 x})^{12}

(x + 3) e^{2}

What is expand (x-3i)(x+3i)(x-2) ?
The solution to expand (x-3i)(x+3i)(x-2) is x^3-2x^2+9x-18